Compare 39980 vs 39981
| Property | 39980 | 39981 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 19991 | 31 × 133271 |
| Prime factorization | 2 × 2 × 5 × 1999 | 3 × 13327 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 1999, 3998, 7996, 9995, 19990, 39980 | 1, 3, 13327, 39981 |
| Number of properties | 0 | 1 |
| Semiprimes | 9786th | |
| Roman numberals | ||
| Base 2 | 10011100001011002 | 10011100001011012 |
| Base 3 | 20002112023 | 20002112103 |
| Base 4 | 213002304 | 213002314 |
| Base 5 | 22344105 | 22344115 |
| Base 6 | 5050326 | 5050336 |
| Base 7 | 2243637 | 2243647 |
| Base 8 | 1160548 | 1160558 |
| Base 9 | 607529 | 607539 |
| Base 10 | 3998010 | 3998110 |
| Base 11 | 2804611 | 2804711 |
| Base 12 | 1b17812 | 1b17912 |
| Base 13 | 1527513 | 1527613 |
| Base 14 | 107da14 | 107db14 |
| Base 15 | bca515 | bca615 |
| Base 16 | 9c2c16 | 9c2d16 |